OpenTechnical

OT-2026-000040916

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000040916) never changes.

Identity and time

Publication numberOT-2026-000040916 · never reused
Internal UUID01a0ae79-6d10-72c8-bffc-bfc81392e5e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040916
StatusPUBLIC

Content hashes

Canonical text45dae174fc920cef8163bf95afb718942aa024933118f1008dae428fdc32436d
Markdown8ef02073ce87aeff17c9fea116d754d15d420467b859207023b401a75f113792
PDF
Publication page1cb06da488e8646b3172d193848c7f2bf72c8078db27863faab46be3493c4162
Manifest885c2d7bc12d48f9f2e92f4a62d388845fc659d7bb2ba98c249c64267c01e909

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatured2HYYDh8TGO2y0yNRLGp1XwppYBA7+AO+Svt3WqAlUz4DI3JhIStwTvkZI9F62nTCEpZiPTEeP6mpCtxjAQmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:18.345187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916
observed 1cb06da488e8646b3172d193848c7f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.325570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916/manifest.json
observed 885c2d7bc12d48f9f2e92f4a62d38884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.304187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916/publication.md
observed 8ef02073ce87aeff17c9fea116d754d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.283980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916/publication.txt
observed 45dae174fc920cef8163bf95afb71894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.368428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916
observed 1cb06da488e8646b3172d193848c7f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.349973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916/manifest.json
observed 885c2d7bc12d48f9f2e92f4a62d38884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.327636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916/publication.md
observed 8ef02073ce87aeff17c9fea116d754d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.309741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040916/publication.txt
observed 45dae174fc920cef8163bf95afb71894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.